AU2012268700B2 - Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same - Google Patents

Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same Download PDF

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Publication number
AU2012268700B2
AU2012268700B2 AU2012268700A AU2012268700A AU2012268700B2 AU 2012268700 B2 AU2012268700 B2 AU 2012268700B2 AU 2012268700 A AU2012268700 A AU 2012268700A AU 2012268700 A AU2012268700 A AU 2012268700A AU 2012268700 B2 AU2012268700 B2 AU 2012268700B2
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AU
Australia
Prior art keywords
fiber
cellulose
bleaching
kraft
stage
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AU2012268700A
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English (en)
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AU2012268700A1 (en
AU2012268700A2 (en
Inventor
Philip R. Campbell
Charles E. Courchene
Steven C. Dowdle
Joel M. Engle
Arthur J. Nonni
Christopher M. Slone
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GP Cellulose GmbH
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GP Cellulose GmbH
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Publication of AU2012268700A2 publication Critical patent/AU2012268700A2/en
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/123—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with Cl2O
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
AU2012268700A 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same Active AU2012268700B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161489245P 2011-05-23 2011-05-23
US61/489,245 2011-05-23
US201161489594P 2011-05-24 2011-05-24
US61/489,594 2011-05-24
PCT/US2012/038685 WO2012170183A1 (en) 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Publications (3)

Publication Number Publication Date
AU2012268700A1 AU2012268700A1 (en) 2013-12-12
AU2012268700A2 AU2012268700A2 (en) 2014-08-21
AU2012268700B2 true AU2012268700B2 (en) 2017-02-02

Family

ID=46149020

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2012268700A Active AU2012268700B2 (en) 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Country Status (15)

Country Link
US (2) US9719208B2 (ko)
EP (1) EP2714987B1 (ko)
JP (3) JP6254078B2 (ko)
KR (1) KR101918470B1 (ko)
CN (1) CN103703184B (ko)
AU (1) AU2012268700B2 (ko)
BR (1) BR112013030060A2 (ko)
CA (1) CA2836895C (ko)
IL (1) IL229518B (ko)
MX (1) MX353539B (ko)
PL (1) PL2714987T3 (ko)
RU (1) RU2608686C2 (ko)
TW (2) TWI634247B (ko)
WO (1) WO2012170183A1 (ko)
ZA (1) ZA201308822B (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2844150T3 (es) 2012-01-12 2021-07-21 Gp Cellulose Gmbh Una fibra al sulfato de baja viscosidad que tiene propiedades de amarilleamiento reducidas y métodos para elaborar y usar la misma
WO2014122533A2 (en) * 2013-02-08 2014-08-14 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
BR112015019882A2 (pt) 2013-03-14 2017-07-18 Gp Cellulose Gmbh fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios
WO2015138335A1 (en) 2014-03-12 2015-09-17 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
KR102180665B1 (ko) * 2013-03-15 2020-11-23 게페 첼루로제 게엠베하 증대된 카복실 함량을 갖는 저 점도 크래프트 섬유 및 이의 제조 및 사용 방법
US9926385B2 (en) * 2013-08-12 2018-03-27 Shin-Etsu Chemical Co., Ltd. Method for producing water-soluble cellulose ether having low degree of polymerization and method for producing film coating composition comprising same
WO2017066499A1 (en) 2015-10-14 2017-04-20 Gp Cellulose Gmbh Novel cellulose composite materials and methods of making and using the same
WO2017095831A1 (en) 2015-12-01 2017-06-08 Gp Cellulose Gmbh Open chain modified cellulosic pulps and methods of making and using the same
US9926665B2 (en) * 2016-02-25 2018-03-27 International Paper Company Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology
EP3464725A1 (en) 2016-06-02 2019-04-10 GP Cellulose GmbH Oxidized cellulose containing packaging materials
WO2018175135A1 (en) * 2017-03-21 2018-09-27 International Paper Company Odor control pulp composition
WO2019165324A1 (en) 2018-02-23 2019-08-29 Gp Cellulose Gmbh Novel dissolving wood pulps and methods of making and using the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978446A (en) * 1957-01-28 1961-04-04 American Viscose Corp Level-off d.p. cellulose products
US5346589A (en) * 1991-02-21 1994-09-13 Genencor International, Inc. Crystalline cellulose production
WO2010138941A2 (en) * 2009-05-28 2010-12-02 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same

Family Cites Families (145)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1860431A (en) 1928-06-02 1932-05-31 Brown Co Process of producing low-viscosity cellulose fiber
US2112116A (en) 1936-05-02 1938-03-22 Brown Co Production of cellulose fiber of low solution viscosity for conversion into cellulose derivatives
US2368527A (en) 1942-09-10 1945-01-30 Sidney M Edelstein Treatment of cellulosic pulp
US2749336A (en) 1952-04-02 1956-06-05 Hercules Powder Co Ltd Process for producing cellulose derivatives
US3728331A (en) 1969-04-04 1973-04-17 Dow Chemical Co Process for reducing the viscosity of a cellulose ether with hydrogen peroxide
JPS4834522B1 (ko) * 1970-01-19 1973-10-22
JPS4834522A (ko) 1971-09-08 1973-05-19
US3868955A (en) 1973-10-05 1975-03-04 Personal Products Co Aldehyde polysaccharide dressings
CA1129161A (en) 1978-04-07 1982-08-10 Robert C. Eckert Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
US4410397A (en) 1978-04-07 1983-10-18 International Paper Company Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
US4661205A (en) 1981-08-28 1987-04-28 Scott Paper Company Method of bleaching lignocellulosic material with peroxide catalyzed with a salt of a metal
CA1212505A (en) 1984-07-17 1986-10-14 Rudy Vit Method, process and apparatus for converting wood, wood residue and or biomass into pulp
USH479H (en) 1986-12-19 1988-06-07 Shell Oil Company Wood pulp bleaching process
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
SE470065C (sv) 1991-04-30 1996-01-15 Eka Nobel Ab Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
FR2692499B1 (fr) 1992-06-22 1994-08-26 Atochem Elf Sa Procédé de délignification et de blanchiment d'une matière lignocellulosique.
US5549789A (en) 1992-08-28 1996-08-27 The United States Of America As Represented By The Secretary Of Agriculture Oxidation of lignin and polysaccharides mediated by polyoxometalate treatment of wood pulp
US5302248A (en) 1992-08-28 1994-04-12 The United States Of America As Represented By The Secretary Of Agriculture Delignification of wood pulp by vanadium-substituted polyoxometalates
FI93232C (fi) 1993-03-03 1995-03-10 Ahlstroem Oy Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
NL9300540A (nl) 1993-03-25 1994-10-17 Inst Voor Agrotech Onderzoek Werkwijze voor het oxideren van koolhydraten.
US5447602A (en) 1993-08-26 1995-09-05 Henkel Corporation Process for repulping wet-strength paper
US5593543A (en) 1993-08-26 1997-01-14 Henkel Corporation Process for repulping wet strength paper
US6605181B1 (en) 1993-10-01 2003-08-12 Kvaerner Pulping Aktiebolag Peroxide bleach sequence including an acidic bleach stage and including a wash stage
FI944348A (fi) 1994-09-19 1996-03-20 Ahlstroem Oy Menetelmä kraft-massan valkaisemiseksi
US6153300A (en) * 1994-04-18 2000-11-28 Ahlstrom Machinery, Inc. Bleaching cellulose pulp having cleanliness which varies significantly over time using at least two different bleaching stages and bleaching chemicals
US5522967A (en) 1994-05-27 1996-06-04 Kimberly-Clark Corporation Sulfonated cellulose and method of preparation
WO1995034628A1 (en) 1994-06-13 1995-12-21 Unilever N.V. Bleach activation
FI942970A (fi) 1994-06-20 1995-12-21 Kemira Chemicals Oy Menetelmä kemiallisen massan delignifioimiseksi
SE508626C2 (sv) 1994-12-30 1998-10-19 Sca Hygiene Prod Ab Ett material med hög absorptionskapacitet samt en absorberande struktur och ett absorberande alster innefattande materialet ifråga
US5639348A (en) 1995-01-30 1997-06-17 Vinings Industries, Inc. Bleaching compositions comprising sulfamates and borates or gluconates and processes
US5562645A (en) 1995-05-31 1996-10-08 Kimberly-Clark Corporation Article with soft absorbent pulp sheet
JP3698178B2 (ja) 1995-09-22 2005-09-21 三菱瓦斯化学株式会社 製紙用化学パルプの漂白方法
US5703225A (en) 1995-12-13 1997-12-30 Kimberly-Clark Worldwide, Inc. Sulfonated cellulose having improved absorbent properties
JP3180131B2 (ja) 1996-03-28 2001-06-25 ザ、プロクター、エンド、ギャンブル、カンパニー アルデヒドで官能化されたセルロース性繊維とポリマーから作られた湿潤強度を有する紙製品
DE19620241A1 (de) 1996-05-20 1997-11-27 Patt R Prof Dr Verfahren zum Delignifizieren von Zellstoffen und Verwendung eines Katalysators
US6136223A (en) 1996-07-22 2000-10-24 Carnegie Mellon University Metal ligand containing bleaching compositions
US5876625A (en) 1996-07-22 1999-03-02 Carnegie Mellon University Metal ligand containing bleaching compositions
US6235392B1 (en) 1996-08-23 2001-05-22 Weyerhaeuser Company Lyocell fibers and process for their preparation
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6605350B1 (en) 1996-08-23 2003-08-12 Weyerhaeuser Company Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US6210801B1 (en) 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6331354B1 (en) 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
US6221487B1 (en) 1996-08-23 2001-04-24 The Weyerhauser Company Lyocell fibers having enhanced CV properties
DE19708531A1 (de) 1997-03-03 1998-09-10 Clariant Gmbh 2-Propenylgruppen enthaltende Celluloseether und deren Verwendung als Schutzkolloide bei Polymerisationen
US6146494A (en) 1997-06-12 2000-11-14 The Procter & Gamble Company Modified cellulosic fibers and fibrous webs containing these fibers
ATE254688T1 (de) 1997-08-14 2003-12-15 Takashi Watanabe Chemisches verfahren zur depolymerisation von lignin
US6541627B1 (en) 1997-12-04 2003-04-01 Asahi Kasei Kabushiki Kaisha Cellulose dispersion
WO1999047744A1 (en) 1998-03-16 1999-09-23 Pulp And Paper Research Institute Of Canada Chlorine dioxide bleaching with additives
FI106273B (fi) 1998-04-30 2000-12-29 Metsae Serla Oyj Menetelmä kuitutuotteen valmistamiseksi
DE69901117T2 (de) 1998-05-07 2002-09-05 Tno Verfahren zur selektiven oxidierung von primären alkoholen
DE19849441A1 (de) 1998-10-27 2000-05-04 Clariant Gmbh Sulfoalkylgruppenhaltige hydrophob modifizierte Celluloseether, Verfahren zu deren Herstellung sowie deren Verwndung als Schutzkolloide bei Polymerisationen
EP0999222A1 (en) 1998-11-02 2000-05-10 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Carbohydrate oxidation products
US6773648B2 (en) 1998-11-03 2004-08-10 Weyerhaeuser Company Meltblown process with mechanical attenuation
KR20010105311A (ko) 1998-12-16 2001-11-28 추후기재 초흡수성의 산성 폴리사카라이드
US6686039B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps
US6686040B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products
US6797113B2 (en) 1999-02-24 2004-09-28 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps method
AU776991B2 (en) 1999-02-24 2004-09-30 Sca Hygiene Products Zeist B.V. Process for selective oxidation of cellulose
US6685856B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products method
HUP0202330A2 (en) 1999-02-24 2002-12-28 Sca Hygiene Prod Gmbh Oxidized cellulose-containing fibrous materials and products made therefrom
US6379494B1 (en) 1999-03-19 2002-04-30 Weyerhaeuser Company Method of making carboxylated cellulose fibers and products of the method
US6524348B1 (en) 1999-03-19 2003-02-25 Weyerhaeuser Company Method of making carboxylated cellulose fibers and products of the method
WO2000065145A1 (en) 1999-04-26 2000-11-02 Bki Holding Corporation Cellulose ethers and method of preparing the same
US6686464B1 (en) 1999-04-26 2004-02-03 Bki Holding Corporation Cellulose ethers and method of preparing the same
US6695950B1 (en) 1999-08-17 2004-02-24 National Starch And Chemical Investment Holding Corporation Aldehyde modified cellulose pulp for the preparation of high strength paper products
MXPA00007979A (es) 1999-08-17 2002-03-08 Nat Starch Chem Invest Aldehidos de polisacaridos preparados por un metodo de oxidacion y usados como aditivos de resistencia en la fabricacion de papel.
US6586588B1 (en) 1999-08-17 2003-07-01 National Starch And Chemical Investment Holding Corporation Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking
US6228126B1 (en) 1999-08-17 2001-05-08 National Starch And Chemical Investment Holding Corporation Paper prepared from aldehyde modified cellulose pulp and the method of making the pulp
US6368456B1 (en) 1999-08-17 2002-04-09 National Starch And Chemical Investment Holding Corporation Method of making paper from aldehyde modified cellulose pulp with selected additives
DE19953589B4 (de) 1999-11-08 2005-05-25 Sca Hygiene Products Gmbh Polysaccharid mit funktionellen Gruppen, Verfahren zu dessen Herstellung und daraus hergestellte Produkte
AU1741101A (en) 1999-11-08 2001-06-06 Sca Hygiene Products Zeist B.V. Process of oxidising primary alcohols
US6627749B1 (en) 1999-11-12 2003-09-30 University Of Iowa Research Foundation Powdered oxidized cellulose
US7052578B2 (en) 2000-01-28 2006-05-30 Martin Marietta Magnesia Specialties, Inc. Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp
EP1154074A1 (en) 2000-05-11 2001-11-14 SCA Hygiene Products Zeist B.V. Aldehyde-containing polymers as wet strength additives
US6582559B2 (en) 2000-05-04 2003-06-24 Sca Hygiene Products Zeist B.V. Aldehyde-containing polymers as wet strength additives
DE60114599T2 (de) 2000-05-04 2006-07-13 Sca Hygiene Products Zeist B.V. Aldehyde enthaltende Polymere als Naßfestmittel
US6540876B1 (en) 2000-05-19 2003-04-01 National Starch And Chemical Ivnestment Holding Corporation Use of amide or imide co-catalysts for nitroxide mediated oxidation
CN1296387C (zh) 2000-07-05 2007-01-24 旭化成株式会社 纤维素粉末
CN1312184C (zh) 2000-11-01 2007-04-25 Bki控股公司 纤维素醚及其制备方法
EP1215217A1 (en) 2000-12-12 2002-06-19 SCA Hygiene Products Zeist B.V. High molecular weight oxidised cellulose
WO2002048197A1 (en) 2000-12-13 2002-06-20 Sca Hygiene Products Zeist B.V. Process for oxidising primary alcohols
US7411110B2 (en) 2000-12-20 2008-08-12 Kimberly-Clark Worldwide, Inc. Thin, high capacity absorbent structure and method for producing same
EP1404277B1 (en) 2000-12-20 2008-12-24 Kimberly-Clark Worldwide, Inc. Method for producing a thin, high capacity absorbent structure
US6821383B2 (en) 2001-03-28 2004-11-23 National Starch And Chemical Investment Holding Corporation Preparation of modified fluff pulp, fluff pulp products and use thereof
KR100889467B1 (ko) 2001-04-30 2009-03-20 시바 홀딩 인크 금속 착화합물의 산화 촉매로서의 용도
US6916466B2 (en) 2001-07-11 2005-07-12 Sca Hygiene Products Ab Coupling of modified cyclodextrins to fibers
US6849156B2 (en) 2001-07-11 2005-02-01 Arie Cornelis Besemer Cationic fibers
EP1404921A1 (en) 2001-07-11 2004-04-07 SCA Hygiene Products Zeist B.V. Cationic cellulosic fibres
EP1308556A1 (en) 2001-11-01 2003-05-07 Akzo Nobel N.V. Lignocellulose product
US6893473B2 (en) * 2002-05-07 2005-05-17 Weyerhaeuser.Company Whitened fluff pulp
US20040000012A1 (en) 2002-06-26 2004-01-01 Borregaard Chemcell Treatment of a mixture containing cellulose
US7252837B2 (en) 2002-06-28 2007-08-07 Ethicon, Inc. Hemostatic wound dressing and method of making same
US7279177B2 (en) 2002-06-28 2007-10-09 Ethicon, Inc. Hemostatic wound dressings and methods of making same
US20040120993A1 (en) 2002-12-20 2004-06-24 Guanghui Zhang Hemostatic wound dressing and fabric and methods of making and using same
US20040101546A1 (en) 2002-11-26 2004-05-27 Gorman Anne Jessica Hemostatic wound dressing containing aldehyde-modified polysaccharide and hemostatic agents
US20040166144A1 (en) 2003-01-15 2004-08-26 Arie Besemer Bacteria trapping fibrous material
WO2004062703A1 (en) 2003-01-15 2004-07-29 Sca Hygiene Products Ab Bacteria trapping fibrous material
US7019191B2 (en) 2003-03-25 2006-03-28 Ethicon, Inc. Hemostatic wound dressings and methods of making same
US7001483B2 (en) 2003-08-05 2006-02-21 Weyerhaeuser Company Apparatus for making carboxylated pulp fibers
US8262850B2 (en) 2003-09-23 2012-09-11 International Paper Company Chemical activation and refining of southern pine kraft fibers
EP1541590A1 (en) 2003-12-08 2005-06-15 SCA Hygiene Products AB Process for the oxidation of hydroxy compounds by means of nitroxy compounds
SE526356C2 (sv) 2003-12-15 2005-08-30 Akzo Nobel Nv Associativa vattenlösliga cellulosaetrar
US20070272377A1 (en) 2003-12-25 2007-11-29 Xiuquan Mei Fully Closed, Zero Discharge, Clean Oxidizing Pulping Technology and Process
BRPI0506799A (pt) 2004-01-12 2007-05-22 Ciba Sc Holding Ag uso de compostos de complexo metal compreendendo ligandos derivados de s-triazina ou pirimidina de piridina como catalisadores para oxidações com peroxiácidos orgánicos e/ou precursores de peroxiácidos orgánicos e h2o2
US20060070711A1 (en) 2004-09-30 2006-04-06 Mengkui Luo Low pH treatment of pulp in a bleach sequence to produce pulp having low D.P. and low copper number for use in lyocell manufacture
US7541396B2 (en) 2004-12-29 2009-06-02 Weyerhaeuser Nr Company Method for making carboxyalkyl cellulose
US20060142561A1 (en) 2004-12-29 2006-06-29 Mengkui Luo Carboxyalkyl cellulose
BR122017001948B1 (pt) 2005-03-24 2020-05-19 Xyleco Inc método de fazer material fibroso
US7708214B2 (en) 2005-08-24 2010-05-04 Xyleco, Inc. Fibrous materials and composites
DK3575489T3 (da) 2005-05-02 2021-05-17 Int Paper Co Lignocellulosematerialer og produkter fremstillet deraf
CN101180432A (zh) 2005-05-24 2008-05-14 国际纸业公司 改性的牛皮纤维
US7520958B2 (en) 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
ES2392347T3 (es) 2005-05-27 2012-12-07 Catexel Limited Proceso de blanqueo
US7700764B2 (en) 2005-06-28 2010-04-20 Akzo Nobel N.V. Method of preparing microfibrillar polysaccharide
US7727945B2 (en) 2005-07-15 2010-06-01 Akzo Nobel N.V. Modified polysaccharides
CN101331260B (zh) * 2005-10-12 2012-05-30 荷兰联合利华有限公司 底物的漂白
US8268122B2 (en) 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp
WO2007087345A2 (en) 2006-01-25 2007-08-02 The Administrators Of The Tulane Educational Fund Oxidative treatment method
WO2007090461A1 (en) 2006-02-06 2007-08-16 Ciba Holding Inc. Use of metal complex compounds as oxidation catalysts
US7967948B2 (en) * 2006-06-02 2011-06-28 International Paper Company Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
US7390566B2 (en) 2006-06-30 2008-06-24 Weyerhaeuser Company Viscose product
US8057636B2 (en) 2006-07-17 2011-11-15 The Procter & Gamble Company Soft and strong fibrous structures
US7608167B2 (en) 2006-10-02 2009-10-27 Weyerhaeuser Nr Company Crosslinked carboxyalkyl cellulose fibers having permanent and non-permanent crosslinks
US7455902B2 (en) 2006-10-02 2008-11-25 Weyerhaeuser Company Mixed polymer superabsorbent fibers
US20100124583A1 (en) 2008-04-30 2010-05-20 Xyleco, Inc. Processing biomass
ES2344930T3 (es) 2006-11-23 2010-09-09 Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno Biopolimeros como aditivos de resistencia en estado humedo.
US7976676B2 (en) 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
WO2008098037A2 (en) 2007-02-06 2008-08-14 North Carolina State University Polymer derivatives and composites from the dissolution of lignocellulosics in ionic liquids
US20080308239A1 (en) 2007-06-12 2008-12-18 Hart Peter W Fiber blend having high yield and enhanced pulp performance and method for making same
WO2008153565A1 (en) 2007-06-12 2008-12-18 Meadwestvaco Corporation A fiber blend having high yield and enhanced pulp performance and method for making same
CN101772516B (zh) 2007-08-07 2012-10-10 花王株式会社 阻气用材料
CN101158125B (zh) * 2007-11-12 2010-05-19 宜宾长毅浆粕有限责任公司 造纸级针叶木浆板变性生产工艺
CN101874043A (zh) 2007-11-26 2010-10-27 国立大学法人东京大学 纤维素纳米纤维及其制造方法、纤维素纳米纤维分散液
AU2008344471B2 (en) 2007-12-28 2012-12-20 Nippon Paper Industries Co., Ltd. Processes for producing cellulose nanofibers, cellulose oxidation catalysts and methods for oxidizing cellulose
US7867358B2 (en) 2008-04-30 2011-01-11 Xyleco, Inc. Paper products and methods and systems for manufacturing such products
US20090312537A1 (en) 2008-04-30 2009-12-17 Xyleco, Inc. Carbohydrates
US7867359B2 (en) 2008-04-30 2011-01-11 Xyleco, Inc. Functionalizing cellulosic and lignocellulosic materials
US8084391B2 (en) 2008-06-30 2011-12-27 Weyerhaeuser Nr Company Fibers having biodegradable superabsorbent particles attached thereto
WO2010025224A1 (en) 2008-08-28 2010-03-04 Tyco Healthcare Group Lp Anti-microbial fibers and related articles and methods
WO2011002956A1 (en) 2009-07-02 2011-01-06 E. I. Du Pont De Nemours And Company Aldehyde-functionalized polysaccharides
WO2011090410A1 (en) 2010-01-19 2011-07-28 Sca Hygiene Products Ab Absorbent article comprising an absorbent porous foam
WO2011088889A1 (en) 2010-01-19 2011-07-28 Södra Skogsägarna Ekonomisk Förening Process for production of oxidised cellulose pulp
US8372765B2 (en) 2010-01-27 2013-02-12 Basf Se Odor inhibiting water-absorbing composites
WO2014179702A1 (en) * 2013-05-03 2014-11-06 Celanese International Corporation Integrated processes for purifying a cellulosic material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978446A (en) * 1957-01-28 1961-04-04 American Viscose Corp Level-off d.p. cellulose products
US5346589A (en) * 1991-02-21 1994-09-13 Genencor International, Inc. Crystalline cellulose production
WO2010138941A2 (en) * 2009-05-28 2010-12-02 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same

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